Sharpening-machine for cutter-heads.



W. Al SPEEGLEl SHARPENING MAcHINE FoR cuTTER HEADS.

Ptented I1, 23, 1917.

3 sHEETssHEET l.

wl Ax SPEEGLEl SHARPENlNG MAcHNE FOR cUTTER HEADSl W. A1 SPEEGLEi sHARPENING MAcHNE FOR cUTTER HEADsl APPLIcATmN HLED AuGl9, !9l6,

sHLET 3.

3 sHEETs 

